21520642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1601}}^1$

素因数の和:1674

約数の個数: 32

約数和(自身を含む): 38755584

約数和(自身を除く): 17234942

約数列:

[1, 2, 11, 13, 22, 26, 47, 94, 143, 286, 517, 611, 1034, 1222, 1601, 3202, 6721, 13442, 17611, 20813, 35222, 41626, 75247, 150494, 228943, 457886, 827717, 978211, 1655434, 1956422, 10760321, 21520642]

約数ペア:

[(1, 21520642), (2, 10760321), (11, 1956422), (13, 1655434), (22, 978211), (26, 827717), (47, 457886), (94, 228943), (143, 150494), (286, 75247), (517, 41626), (611, 35222), (1034, 20813), (1222, 17611), (1601, 13442), (3202, 6721)]